@book{159083,
	author = {Afroza Parvin, Mst. },
	title = {Cognitive factors in determining the causes of poor performance in mathematics of school children / },
	publisher = {University of Dhaka, },
	year = {2012.},
	address = {Dhaka : },
	note = {Thesis (M.Phil)-- Dept. of Psychology, University of Dhaka, 2012.
}
}